About Us


1982 Established as a wholly owned subsidiary of Tosoh Quartz Corporation (erstwhile Nippon Silica Glass Co., Ltd.)
1983 Operation of Shin-Nanyo Factory commences.
1986 Tosoh Corporation acquires 50% equity stake in the company.
1987 Manufacture of silica glass tubes begins.
1992 Manufacture of synthetic silica glass using VAD process begins.
1995 Manufacture of silica glass wool begins.
1996 Mass production of fused silica glass begins.
1998 ISO 9001 certified.
2000 Corporate name changed to Tosoh SGM Corporation.
2001 ISO 14001 certified.
2009 Manufacture of anhydrous fused silica glass begins.